.ser-stacic-box {
    width: 100%;
}
.ser-static-banner {
    height: 500px;
    overflow: hidden;
    background: #9BB1FF url(images/model/ser-static-banner.png) no-repeat center;
}
.w-all {
    width: 100%;
}
.bg-white {
    background-color: #fff;
}
.bg-white {
    background-color: #fff;
}
.w1090 {
    width: 1090px;
    margin: 0 auto;
    padding: 0 50px;
}
.bg-gray {
    background-color: #f5f5f5;
}
.bg-gray {
    background-color: #d8d8d8;
}
